江西志留纪山口中华盔甲鱼的再描述

盖志琨, 山显任, 孙智新, 赵文金, 潘照晖, 朱敏

A redescription of the Silurian Sinogaleaspis shankouensis (Galeaspida, stem-Gnathostomata) from Jiangxi, China

GAI Zhi-Kun, SHAN Xian-Ren, SUN Zhi-Xin, ZHAO Wen-Jin, PAN Zhao-Hui, ZHU Min

Fig.7 The sensory canal systems of galeaspids in different groups A-C. plesiomorphic taxa: A. Dayongaspis hunanensis (Pan and Zeng, 1985), B. Hanyangaspis guodingshanensis (P’an et al., 1975; Pan, 1986b), C. Changxingaspis gui (Wang, 1991); D-F. Eugaleaspiformes: D. Shuyu zhejiangensis (Gai et al., 2011), E. Eugaleaspis xujiachongensis (Liu, 1965), F. E. changi (Liu, 1975); G, H. Polybranchiaspiformes: G. Polybranchiaspis liaojiaoshanensis (Liu, 1975), H. Laxaspis qujingensis (Liu, 1975); I. Huananaspiformes: Sanchaspis magalarostrata (Pan and Wang, 1981) Abbreviations: 1-6. the first to sixth lateral transverse canal or median transverse canal issuing from lateral dorsal canal; a-c. the first to third lateral transverse canal issuing from the infraorbital canal; dcm. dorsal commissure corresponding to the second median transverse canal; v.mdc. vestige of median dorsal canal; other abbreviations see Figs. 2, 3